I've said it before, but the fact that Park are sharing such well produced, informative and entertaining videos without pushing a single one of their products makes them da real MVPs in my eyes. Thanks Park, Truman, Calvin and the production team!
Could not agree more! Among my favourite channels for bike repair and maintanance to recommend. Also like the chemistry between Calvin and Truman. Also, camera work, sound, lighting is top notch. Furthermore, the subtle product placement works on me ;-) If there is a Park Tool product I tend to purchase it. Unforunately, the fluid helpers etc. are hard to come by in Germany.
Needed this video a few years back! Tried much of these methods and eventually managed to melt an aluminum seat post out of my steel frame with lye/caustic soda. Don't let those seat posts win!
The guilty party is AL2O3, often caused by sweat. I once heard the sound at 8:56 when I had an Aluminum quill stem stuck in a steel steerer tube and used a bench vise to twist it free. PS: Twisting on a saddle, can destroy the saddle by bending, or breaking the rails.
I might have to try some of these methods on my 1980s Fuji Del Rey; the seat post has been stuck for years; I’ve already written off the old seat post and the original saddle was unfortunately destroyed in the process.
As someone who works on used/discarded bikes, this is such a common occurrence that I've often checked the condition of the sear post prior to initiating any kind of work on the remainder of the bike. Imagine if you can spending multiple hours refurbishing a bike, to find that you can't do anything with the seat post.
One thing. If you have the frame upside down in the vice, remove the BB and spray the penetrating lubricant down the hole of the BB which should seep between the seat tube and the seat post? As an engineer, I thoroughly enjoyed all the methods and over the years have pretty used most of them. Thanks for another fun video.
If you have BB removed this should work. I do it for good measure. However, the amount needed to wet the inside needs to acounted for which is not easy to judge if I am not missing something. Using the screw holes is good for vinegar but penetrating oil is a bit expensive to use it this way. (Call me a cheapskate ;-) )
How did you find the bikes to work on in this video? Do you have bikes piled up behind the shop deteriorating in the weather? That was a serious array of stuck sestposts.
A few trips to the police station, community bike shop, and regular bike shops allowed us to collect most of these. We also caused a few of them to corrode and get stuck by using a mixture of a few common household chemicals.
Great video! I've often wondered why we can't come up with an impact tool that loosens these post up. You need something that is super quick and easy especially if your paying shop labor.
Not to be critical but pointing an air nozzle at someone is not a good shop practice, even if they are wearing safety glasses. This is from someone who worked as a mechanic for 46 years, luckily no eye injuries but quite a few cuts, scrapes, bumps, burns and broken bones along the way. Have you tried dried ice down the seat post to make it contract, when I was in the Air Force rebuilding jet engines we used to heat up the bearings in hot oil to expand them so they fit onto the fan shaft basically the drive shaft of a jet engine we also had bearing coolers for other applications.
The differential heat (hot/cold) technique isn't that hard, you need to remove the seat clamp from the top of the post (saw it off) and then push lumps of frozen CO2 (from your local plumbers merchant) into the post. Once there is frost appearing on the outside of the post/frame apply heat to the frame seat tube (not the post) just as demonstrated here.
The methods they are demonstrating in the video cause little to no damage to the bike frame, and shows just how important greasing your seat post is too.
I've said it before, but the fact that Park are sharing such well produced, informative and entertaining videos without pushing a single one of their products makes them da real MVPs in my eyes.
Thanks Park, Truman, Calvin and the production team!
Could not agree more! Among my favourite channels for bike repair and maintanance to recommend. Also like the chemistry between Calvin and Truman. Also, camera work, sound, lighting is top notch. Furthermore, the subtle product placement works on me ;-) If there is a Park Tool product I tend to purchase it. Unforunately, the fluid helpers etc. are hard to come by in Germany.
Needed this video a few years back! Tried much of these methods and eventually managed to melt an aluminum seat post out of my steel frame with lye/caustic soda. Don't let those seat posts win!
Wow, this video must have taken weeks to make it! I’m pretty impressed with the amount of knowledge and energy from you guys!
Wow, props for using actual stuck seatposts instead of just presenting some theoretical techniques!
The guilty party is AL2O3, often caused by sweat.
I once heard the sound at 8:56 when I had an Aluminum quill stem stuck in a steel steerer tube and used a bench vise to twist it free.
PS: Twisting on a saddle, can destroy the saddle by bending, or breaking the rails.
The challenge of pulling a stuck post can be fun or incredibly tedious…. And sometimes both!
Yes, the chance of failing catastrophically adds to the success and failure makes a good story....
Thanks for sticking with us, Heh good one
I might have to try some of these methods on my 1980s Fuji Del Rey; the seat post has been stuck for years; I’ve already written off the old seat post and the original saddle was unfortunately destroyed in the process.
When is parktool coming out with the extreme seatpost extration tool?
Had to watch to see to see the solution. Always a crap shoot with used bikes. Let the games begin!
As someone who works on used/discarded bikes, this is such a common occurrence that I've often checked the condition of the sear post prior to initiating any kind of work on the remainder of the bike. Imagine if you can spending multiple hours refurbishing a bike, to find that you can't do anything with the seat post.
One thing. If you have the frame upside down in the vice, remove the BB and spray the penetrating lubricant down the hole of the BB which should seep between the seat tube and the seat post?
As an engineer, I thoroughly enjoyed all the methods and over the years have pretty used most of them. Thanks for another fun video.
If you have BB removed this should work. I do it for good measure. However, the amount needed to wet the inside needs to acounted for which is not easy to judge if I am not missing something. Using the screw holes is good for vinegar but penetrating oil is a bit expensive to use it this way. (Call me a cheapskate ;-) )
How did you find the bikes to work on in this video? Do you have bikes piled up behind the shop deteriorating in the weather? That was a serious array of stuck sestposts.
A few trips to the police station, community bike shop, and regular bike shops allowed us to collect most of these. We also caused a few of them to corrode and get stuck by using a mixture of a few common household chemicals.
Thank you very much for this video!
Awesome! Best tech video ever. Bet you guys had fun making that one.
Great video! I've often wondered why we can't come up with an impact tool that loosens these post up. You need something that is super quick and easy especially if your paying shop labor.
Saw item number mentioned that holds blade for pushing into tube?
Nice video. However i have an alu post stuck in a carbon frame. Most of the presented options won't work i'm afraid 😢
Was that large puller, used at the end of the video, custom made for this video? Or is it available for purchase by other shops?
park tool SSPP-1 coming to qbp soon? (SHOP-Seat-Post-Puller)
30 minutes of stuck seatpost removal? Yes please! Right after I go remove my seatpost...
World wide Lube Your Seatpost Day is 27.2. as Feb 27th.
Any advice on hernias please..😅
I like how you poured the acid on a grass floor ahhahaha
Thats the best spot for it :)
@@parktool Should have spelt out something on the grass...
Should have poured it over a salad.
I love you calvin😥😥
Any fixes to remove a metal post from a carbon frame?
Seatpost stuck? Time for new bike day 🥳
Not to be critical but pointing an air nozzle at someone is not a good shop practice, even if they are wearing safety glasses.
This is from someone who worked as a mechanic for 46 years, luckily no eye injuries but quite a few cuts, scrapes, bumps, burns and broken bones along the way.
Have you tried dried ice down the seat post to make it contract, when I was in the Air Force rebuilding jet engines we used to heat up the bearings in hot oil to expand them so they fit onto the fan shaft basically the drive shaft of a jet engine we also had bearing coolers for other applications.
"holy buckets"
Having worked at a shop, I can only assume these are staff commuter bikes. Poor things!
28:16 Huh, someone overfed a brass instrument mouthpiece puller.
Coca-cola works better than vinegar. Left it overnight once and found a seatpost and coke on the floor in the morning :)
Extreme pulling Is on Parktool store?
The differential heat (hot/cold) technique isn't that hard, you need to remove the seat clamp from the top of the post (saw it off) and then push lumps of frozen CO2 (from your local plumbers merchant) into the post. Once there is frost appearing on the outside of the post/frame apply heat to the frame seat tube (not the post) just as demonstrated here.
Arrrgh it’s a bench viSe not viCe😊
seriously is park tool stuck in stone age. they are behind times as there are diy tools for seat post extraction that work like miracles
it is clear that you haven't got your hands dirty enough working on bikes
they are giving you their expertise and knowledge for free, you don’t want it then don’t watch the video
The methods they are demonstrating in the video cause little to no damage to the bike frame, and shows just how important greasing your seat post is too.
Try watching the entire video.
Then let us participate in your divine knowledge, if any.... IMHO these are sensible options presented very nicely.
Guilty as charged.